24 Valve 2nd Gen Dodge Cummins 98.5-02 Discussion of 24 Valve 5.9 Liter Dodge Cummins Diesels with VP44 Injection Pumps
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raptor factory replacement pump not primed

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  #1  
Old 01-31-2014, 08:43 PM
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Default raptor factory replacement pump not primed

Installed a new 100 gal raptor pump and can hear the pump run when bump start but no fuel coming out of the outlet side of the pump. Need help bad can't figure out why it won't pull fuel. The truck ran fine before I changed the pump
 
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Old 01-31-2014, 11:46 PM
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Did it have an in tank pump?
 
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Old 02-01-2014, 08:56 AM
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No I checked just block mounted lift pump

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Any one know how to reprime the pump that's all it could be because it runs just no fuel movement
 

Last edited by AFMX; 02-01-2014 at 08:56 AM. Reason: Automerged Doublepost
  #4  
Old 02-01-2014, 04:52 PM
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You don't have to prime a lift pump. Add a few gallons of fuel to the tank to make sure your fuel gauge didn't quit on you and try again. Also verify that the fuel lines are hooked up to the correct ports on the pump. Might even try reversing the fuel lines in case the in/out was mismarked. If it still don't pump then I'd say you have a bad pump or a blockage in the tank or line.
 

Last edited by Bryce; 02-01-2014 at 04:54 PM.
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